Journal of Low Temperature Physics

, Volume 21, Issue 1, pp 191–196

Instability of vortex lines in the presence of axial normal fluid flow

Authors

  • R. M. Ostermeier
    • Department of PhysicsRutgers University
  • W. I. Glaberson
    • Department of PhysicsRutgers University
Article

DOI: 10.1007/BF01141298

Cite this article as:
Ostermeier, R.M. & Glaberson, W.I. J Low Temp Phys (1975) 21: 191. doi:10.1007/BF01141298

Abstract

We show that a normal mode analysis of the complete Hall two-fluid equations in rotating He II yields a critical velocity for axial normal fluid flow which is identical to the critical velocity derived in an earlier paper from the superfluid equation alone. We also present a simplified derivation of the critical velocity based on consideration of the forces acting on an isolated vortex line. The analysis is extended to3He-4He solutions and it is shown that rather small impurity concentrations can greatly increase the critical heat current in axial thermal counterflow.

Copyright information

© Plenum Publishing Corporation 1975